/Engine/Plugins/Enterprise/DatasmithImporter/Source/DatasmithImporter/Public/ObjectElements/DatasmithUSceneElement.h
UDatasmithSceneElementBaseFind Or Add
[UDatasmithMeshActorElement](API\Plugins\DatasmithImporter\ObjectElements\UDatasmithMeshActorElement) * FindOrAddElement ( const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IDatasmithMeshActorElement](API\Runtime\DatasmithCore\IDatasmithMeshActorElement) > & InElement )